15780393

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{1619}}^1$

素因数の和:1666

約数の個数: 24

約数和(自身を含む): 24688800

約数和(自身を除く): 8908407

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 1619, 3249, 4857, 9747, 14571, 30761, 43713, 92283, 276849, 584459, 830547, 1753377, 5260131, 15780393]

約数ペア:

[(1, 15780393), (3, 5260131), (9, 1753377), (19, 830547), (27, 584459), (57, 276849), (171, 92283), (361, 43713), (513, 30761), (1083, 14571), (1619, 9747), (3249, 4857)]